
*{
    margin: 0;
    padding: 0;
}

.box{
    width: 100vw;
    height: 100vh;
  background-color:#f5f5f6;
}
.she{
    width: 100%;
    height: 90px;
    background-color: #FFA500;
}
.tui{
    width: 100%;
    margin: 0 auto;
    position: fixed;
    left: 0px;
    bottom: 150px;
}
